﻿using System;
class IsoscelesTriangle
{
    static void Main()
    {
        string FirstRow = "    \u00A9";
        string SecondRow = "   \u00A9 \u00A9";
        string ThirdRow = "  \u00A9   \u00A9";
        string FourthRow = " \u00A9 \u00A9 \u00A9 \u00A9";
        Console.WriteLine(FirstRow);
        Console.WriteLine(SecondRow);
        Console.WriteLine(ThirdRow);
        Console.WriteLine(FourthRow);
        Console.ReadLine();
    }
}

